Oracle Equivalent to MySQL INSERT IGNORE?

Question

I need to update a query so that it checks that a duplicate entry does not exist before insertion. In MySQL I can just use INSERT IGNORE so that if a duplicate record is fo

Answer 1

yet another "where not exists"-variant using dual...

insert into t1(id, unique_name)
  select t1_seq.nextval, 'Franz-Xaver' from dual 
    where not exists (select 1 from t1 where unique_name = 'Franz-Xaver');